#include "stm32f4xx.h"
#include "usart.h"
#include "beep.h"
#include "LED.h"
#include "KEY.h"
#include "EXTI.h"
#include "SYSCFG.h"
#include "NVIC.h"
#include "TIM.h"
#include "tim8n.h"
int main()
{
	tim8n_init();
	usart1_init();
	key_init();
	exti_init();
	syscfg_init();
	//TIM6_init();
	beep_init();
	nvic_init();
	syscfg_init1();
	led_init();
	nvic_init1();
	nvic_init2();
	exti_init1();
	while(1)
	{
		;
	}
	
	return 0;
}
